Basically, this is the same driver as PCL5e with color printing functionality added. MP 2501SP All in One Printer pdf manual download. Ricoh aficio 2550 printer drivers.
Also for: Mp 2501sp, Mp sp. For the printing system getting access to the printer- specific features the manufacturer supplies a PPD file for every PostScript printer. View and Download Ricoh MP 2501SP user manual online. Generally for Postscript printers, you will not need a driver as all applications produce PostScript. Generic Postscript " driver".